1999 Pontiac Firebird vs. 2013 Mercedes-Benz SLS
To start off, 2013 Mercedes-Benz SLS is newer by 14 year(s). Which means there will be less support and parts availability for 1999 Pontiac Firebird. In addition, the cost of maintenance, including insurance, on 1999 Pontiac Firebird would be higher. At 6,300 cc (8 cylinders), 2013 Mercedes-Benz SLS is equipped with a bigger engine. In terms of performance, 2013 Mercedes-Benz SLS (575 HP) has 375 more horse power than 1999 Pontiac Firebird. (200 HP) In normal driving conditions, 2013 Mercedes-Benz SLS should accelerate faster than 1999 Pontiac Firebird. With that said, vehicle weight also plays an important factor in acceleration. 2013 Mercedes-Benz SLS weights approximately 83 kg more than 1999 Pontiac Firebird. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are rear wheel drive (RWD) - it offers better handling in dry conditions; in addition, if you are looking to drift, both vehicles do the job better than front wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 2013 Mercedes-Benz SLS (649 Nm @ 4750 RPM) has 344 more torque (in Nm) than 1999 Pontiac Firebird. (305 Nm @ 4000 RPM). This means 2013 Mercedes-Benz SLS will have an easier job in driving up hills or pulling heavy equipment than 1999 Pontiac Firebird.
Compare all specifications:
| 1999 Pontiac Firebird | 2013 Mercedes-Benz SLS | |
| Make | Pontiac | Mercedes-Benz |
| Model | Firebird | SLS |
| Year Released | 1999 | 2013 |
| Body Type | Convertible | Coupe |
| Engine Position | Front | Rear |
| Engine Size | 3791 cc | 6300 cc |
| Engine Cylinders | 6 cylinders | 8 cylinders |
| Engine Type | V | in-line |
| Valves per Cylinder | 4 valves | 4 valves |
| Horse Power | 200 HP | 575 HP |
| Torque | 305 Nm | 649 Nm |
| Torque RPM | 4000 RPM | 4750 RPM |
| Engine Bore Size | 96.5 mm | 102 mm |
| Engine Stroke Size | 86.4 mm | 94 mm |
| Engine Compression Ratio | 9.4:1 | 11.3:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Rear | Rear |
| Transmission Type | Manual | Manual |
| Number of Seats | 4 seats | 2 seats |
| Number of Doors | 2 doors | 2 doors |
| Vehicle Weight | 1540 kg | 1623 kg |
| Vehicle Length | 4920 mm | 4638 mm |
| Vehicle Width | 1900 mm | 2078 mm |
| Vehicle Height | 1320 mm | 1262 mm |
| Wheelbase Size | 2570 mm | 2680 mm |
